Play is an important part of animal behavior, helping diverse species form social structures and bonds, develop cognitive function and enhance physical abilities. Yet human understanding of how other ...

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows. By Jacey Fortin A hundred feet or more ...

Killer whales are intelligent creatures, and scientists have recently discovered a new behavior among the species. Despite their menacing names, killer whales are highly social, playful creatures that ...